s1_goto_dir(){
cd "$1"
}
s2_touch_empty_file_with_given_name(){
touch "$1"
}
s3_make_directories(){
mkdir -p projects/git bacup
cd projects && mkdir backup
}
s4_create_6_files(){
(cd projects && touch linux1_centos linux_redhat linux1_c_programming linux2_centos linux2_redhat linux2_c_programming)
}
s5_make_directories_in_git(){
mkdir -p projects/git/linux1 projects/git/linux2
}
s6_move_files_to_dir_1or_2(){
mv projects/linux1_* projects/git/linux1/
mv projects/linux2_* projects/git/linux2/
}
s7_create_package_and_compress(){
tar -czvf backup/git.tar.gz projects/git
}
s8_delete_dir_git(){
rm -rf projeccts/git
}
s9_recover_from_git_tar_gz_backup(){
tar -zxvf backup/git.tar.gz -C projects
}
s10_create_package_and_compress(){
tar -jcvf backup/git.tar.bz2 projects/git
}
s11_find_and_sort_alphabetically_all_create_files_and_dirs(){
find ../projects -type f,d | sort
}
s12_get_next_15_minutes_boundary(){
date -d '15 minutes' +%Y-%m-%d_%H:%M:00
}
